Talk about a helicopter parent! Paul Wallich came up with an idea that would free him from escorting his young son 400 meters to the school bus stop every day, and still enable him to keep an eye on the child. He built a quadcopter to fly along with him! It has a redundant system, controlled by a GPS beacon emanating from the child's backpack, plus a remote control system for backup. An attached smartphone acts as both a camera and communication device. Read more about the technical aspects of this project at ieee spectrum. Link -via Gizmodo